2008 Mercedes-Benz S550 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2008 Mercedes-Benz S550

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2008 Mercedes-Benz S550 Problems

Camshaft Adjuster Solenoid Failure

The camshaft adjuster solenoid (which is related to the variable valve timing system) may fail or timing chain/balance shaft components may wear, resulting in illumination of the Check Engine Light and various drivability issues. Mercedes-Benz has released a service bulletin outlining specific repair instructions depending on fault codes stored.

Engine Performance Problems Due to Crankshaft Position Sensor Failure

The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.

HVAC Blower Motor May Fail

The HVAC blower motor may fail. This is commonly caused by water entry through the cabin air filter areas during heavy rain or snow. Failed blower motors should be replaced. Our technicians tell us there is no special fix for this issue at this time.

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2008 Mercedes-Benz S550 Recalls

Internal Failure of Front Interior Control Module

Transistors used in the front signal acquisition and actuation module (SAM-F) may have been damaged during module assembly. As a result, the module could fail without warning, increasing the risk of a crash. Dealers will inspect and replace the affected modules as necessary. This recall is scheduled to begin on May 2, 2008. The Mercedes-Benz recall number is 2008 030005.

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